The hematocrit is the amount of hemoglobin by weight in the blood. the percentage of RBCs in a given volume of blood. the number of WBCs per mm3. an estimate of blood flow/hour. the number of RBCs in the body.

the percentage of RBCs in a given volume of blood

Explanation:

The hematocrit is defined as the number of red blood cells present in a particular volume of blood in comparison to other blood components such as white blood cells, blood platelets and plasma.

It can also be defined as the ratio of red blood cell count per total volume of blood and it is usually expressed as percentage or fraction.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.